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Finding the Fourth Proportional to 4,983.88, 7,472.70 and 2,210.44

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Solution

The fourth proportional to 4,983.88, 7,472.70 and 2,210.44 is: 3,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.88 : 7,472.70 = 2,210.44 : x
  2. Step 2: Convert to fraction form
    4,983.88/7,472.70 = 2,210.44/x
  3. Step 3: Cross multiply
    4,983.88x = 7,472.70 × 2,210.44
  4. Step 4: Simplify right side
    4,983.88x = 16,517,954.99
  5. Step 5: Solve for x
    x = 16,517,954.99/4,983.88
  6. Step 6: Final answer
    x = 3,314.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.